# SLIT SIZES IN ARCSEC
# ====================

if not slit.find('0.46'):
    slitsize=0.46 # arcsec
elif not slit.find( '0.84'):
    slitsize=0.84 # arcsec
elif not slit.find( '1.03'):
    slitsize=1.03 # arcsec
elif not slit.find( '1.35'):
    slitsize=1.35 # arcsec
elif not slit.find('1.68'):
    slitsize=1.68
elif not slit.find( '3.00'):
    slitsize=3.00 # arcsec
elif not slit.find( '10.0'):
    slitsize=10.0 # arcsec
elif not slit.find( 'Big slit'):
    slitsize=40.0 # arcsec

slitpix=slitsize/(pixsize/binning)
